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Finding the Fourth Proportional to 373,817.43, 515,850.12 and 212,657.40

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Solution

The fourth proportional to 373,817.43, 515,850.12 and 212,657.40 is: 293,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,817.43 : 515,850.12 = 212,657.40 : x
  2. Step 2: Convert to fraction form
    373,817.43/515,850.12 = 212,657.40/x
  3. Step 3: Cross multiply
    373,817.43x = 515,850.12 × 212,657.40
  4. Step 4: Simplify right side
    373,817.43x = 109,699,345,308.89
  5. Step 5: Solve for x
    x = 109,699,345,308.89/373,817.43
  6. Step 6: Final answer
    x = 293,457.01

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